break up the proxy redirect code in order to clarify

Signed-off-by: Luke Lee <[email protected]>

hedera-node/hedera-smart-contract-service-impl/src/main/java/com/hedera/node/app/service/contract/impl/state/DispatchingEvmFrameState.java

@@ -91,26 +91,40 @@ public class DispatchingEvmFrameState implements EvmFrameState {
 
     private static final String ADDRESS_BYTECODE_PATTERN = "fefefefefefefefefefefefefefefefefefefefe";
 
+    private static final String PROXY_PRE_BYTES = "6080604052348015600f57600080fd5b506000610";
+    private static final String PROXY_MID_BYTES = "905077";
+    private static final String PROXY_POST_BYTES =
+            "fefefefefefefefefefefefefefefefefefefefe600052366000602037600080366018016008845af43d806000803e8160008114605857816000f35b816000fdfea2646970667358221220d8378feed472ba49a0005514ef7087017f707b45fb9bf56bb81bb93ff19a238b64736f6c634300080b0033";
+
     @SuppressWarnings("java:S6418")
     // The following hex string is created by compiling the contract defined in HIP-719.
     // (https://hips.hedera.com/hip/hip-719).  The only exception is that the function selector for `redirectForToken`
     // (0x618dc65e)
     // has been pre substituted before the ADDRESS_BYTECODE_PATTERN.
-    private static final String TOKEN_CALL_REDIRECT_CONTRACT_BINARY =
-            "6080604052348015600f57600080fd5b506000610167905077618dc65efefefefefefefefefefefefefefefefefefefefe600052366000602037600080366018016008845af43d806000803e8160008114605857816000f35b816000fdfea2646970667358221220d8378feed472ba49a0005514ef7087017f707b45fb9bf56bb81bb93ff19a238b64736f6c634300080b0033";
+    private static final String TOKEN_CALL_REDIRECT_CONTRACT_BINARY = PROXY_PRE_BYTES
+            + "167" // System contract address for HTS
+            + PROXY_MID_BYTES
+            + "618dc65e" // function selector for `redirectForToken`
+            + PROXY_POST_BYTES;
 
     // The following byte code is created by compiling the contract defined in HIP-906
     // (https://hips.hedera.com/hip/hip-906).  The only exception is that the function selector for `redirectForAddress`
     // (0xe4cbd3a7)
     // has been pre substituted before the ADDRESS_BYTECODE_PATTERN.
-    private static final String ACCOUNT_CALL_REDIRECT_CONTRACT_BINARY =
-            "6080604052348015600f57600080fd5b50600061016a905077e4cbd3a7fefefefefefefefefefefefefefefefefefefefe600052366000602037600080366018016008845af43d806000803e8160008114605857816000f35b816000fdfea2646970667358221220d8378feed472ba49a0005514ef7087017f707b45fb9bf56bb81bb93ff19a238b64736f6c634300080b0033";
+    private static final String ACCOUNT_CALL_REDIRECT_CONTRACT_BINARY = PROXY_PRE_BYTES
+            + "16a" // System contract address for HAS
+            + PROXY_MID_BYTES
+            + "e4cbd3a7" // function selector for `redirectForAddress`
+            + PROXY_POST_BYTES;
 
     // The following byte code is copied from the `redirectForToken` and `redirectForAccount` contract defined above.
     // The only exception is that the function selector for `redirectForScheduleTxn` (0x5c3889ca)
     // has been pre substituted before the ADDRESS_BYTECODE_PATTERN.
-    private static final String SCHEDULE_CALL_REDIRECT_CONTRACT_BINARY =
-            "6080604052348015600f57600080fd5b50600061016b9050775c3889cafefefefefefefefefefefefefefefefefefefefe600052366000602037600080366018016008845af43d806000803e8160008114605857816000f35b816000fdfea2646970667358221220d8378feed472ba49a0005514ef7087017f707b45fb9bf56bb81bb93ff19a238b64736f6c634300080b0033";
+    private static final String SCHEDULE_CALL_REDIRECT_CONTRACT_BINARY = PROXY_PRE_BYTES
+            + "16b" // System contract address for HSS
+            + PROXY_MID_BYTES
+            + "5c3889ca" // function selector for `redirectForScheduleTxn`
+            + PROXY_POST_BYTES;
 
     private final HederaNativeOperations nativeOperations;
     private final ContractStateStore contractStateStore;